A077637 Largest term in periodic part of continued fraction expansion of square root of A051451(n), i.e., sqrt(lcm(1..x)) where x is a prime power from A000961.

0, 2, 4, 6, 14, 40, 56, 100, 332, 1200, 1696, 7000, 30514, 146344, 327236, 566792, 3052270, 16994324, 24033604, 146190716, 936077324, 6138269514, 42081855636, 111338124722, 810553782854, 6225981742592, 48626471887292, 68768216033362, 562892107725410, 4743013205833238

Offset

1,2

Links

Chai Wah Wu, Table of n, a(n) for n = 1..37

Example

For A051451(10) = 360360, the periodic part is {3,2,1,132,1,2,3,1200} with 1200 as largest term, so a(10) = 1200.

Mathematica

t={A051451(n)} Table[Max[Last[ContinuedFraction[Sqrt[Part[t, u]]]]], {u, 1, 24}]

Crossrefs

Cf. A000961, A051451, A077636.

Sequence in context: A053686 A080198 A376809 * A077639 A039791 A275664

Adjacent sequences: A077634 A077635 A077636 * A077638 A077639 A077640

Keyword

nonn

Author

Labos Elemer, Nov 13 2002

Extensions

a(25)-a(28) from Ray Chandler, Jan 16 2009

a(1) corrected and a(29)-a(30) added by Chai Wah Wu, Sep 20 2021

Status

approved